19753068420 has 72 divisors (see below), whose sum is σ = 63071211840. Its totient is φ = 4990248000.

The previous prime is 19753068337. The next prime is 19753068427. The reversal of 19753068420 is 2486035791.

19753068420 is a `hidden beast` number, since 1 + 97 + 530 + 6 + 8 + 4 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (19753068427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2884456 + ... + 2891295.

It is a 1-persistent number, because it is pandigital, but 2⋅19753068420 = 39506136840 is not.

Almost surely, 2^19753068420 is an apocalyptic number.

19753068420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19753068420 is an abundant number, since it is smaller than the sum of its proper divisors (43318143420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19753068420 is a wasteful number, since it uses less digits than its factorization.

19753068420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775785 (or 5775780 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 19753068420 in words is "nineteen billion, seven hundred fifty-three million, sixty-eight thousand, four hundred twenty".